Evas font-engine: Fix font size updating.
Evas font-engine: Fix font size updating.

This commit fixes two types of misupdate of the font size.
1. Not updating all the fonts when not using Harfbuzz.
2. In rare cases update the wrong font when using Harfbuzz.

git-svn-id: 24a995eca3b83137dd7eab3408044d7832e202f7@58114 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

antognolli/Evas,antognolli/Evas,antognolli/Evas,antognolli/Evas